London Falling

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London Falling

If it's not their bridges falling then the very ground they stand on is sinking. Londoners learned this week that satellite images show parts of central London are sinking by up to five millimeters a year. The two areas are each about 2.5 miles long and up to 250 yards wide – running from Bermondsey to Waterloo and Westminster, and from Battersea to Putney. The sinking appears to have resulted from excavation in recent years. "The displacement follows exactly the same line as was tunneled for the Jubilee (Underground) Line extension and the electricity tunnel," an NPA Satellite spokesman said. The images show the land has sunk about 25 millimeters in the last five years.